# Sumiran vs Пиши Верно

The clearest difference is update cadence: Пиши Верно at every 5 days against Sumiran's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sumiran ships an update every 3 weeks, Пиши Верно every 5 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sumiran | Пиши Верно |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6808907978/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 80 MB | 37 MB |
| Requires iOS | **14.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Frol Chizhov](https://appshunter.io/developer/1739783315) | [Sergey Petruk](https://appshunter.io/developer/848468539) |

## What reviewers say

### Sumiran

[App page](https://appshunter.io/ios/app/sumiran/id6482337566)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Пиши Верно

[App page](https://appshunter.io/ios/app/id6808907978)

Improve your Russian language skills with short, daily exercises focused on spelling, punctuation, and speech norms. Learn rules, practice with instant feedback, and track your progress. Ideal for students and adults seeking to write error-free.

**Highlights:** Short daily training sessions, Rule explanations with examples, Instant feedback and error analysis, Progress tracking and learning map, Over 200 rules and 4700 exercises, Focus on spelling, punctuation, and speech

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sumiran free?

Sumiran is free to download, with no in-app purchases.

### Is Пиши Верно free?

Пиши Верно is free to download, with no in-app purchases.

### Do Sumiran or Пиши Верно have ads?

Neither Sumiran nor Пиши Верно shows ads.

### Which is updated more often, Sumiran or Пиши Верно?

Sumiran ships an update every 3 weeks, and Пиши Верно every 5 days. Most recently, Sumiran was updated on October 30, 2026 and Пиши Верно on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*